20197473968

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10607917}}^1$

素因数の和:10607949

約数の個数: 40

約数和(自身を含む): 47353745952

約数和(自身を除く): 27156271984

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10607917, 21215834, 42431668, 74255419, 84863336, 148510838, 169726672, 180334589, 297021676, 360669178, 594043352, 721338356, 1188086704, 1262342123, 1442676712, 2524684246, 2885353424, 5049368492, 10098736984, 20197473968]

約数ペア:

[(1, 20197473968), (2, 10098736984), (4, 5049368492), (7, 2885353424), (8, 2524684246), (14, 1442676712), (16, 1262342123), (17, 1188086704), (28, 721338356), (34, 594043352), (56, 360669178), (68, 297021676), (112, 180334589), (119, 169726672), (136, 148510838), (238, 84863336), (272, 74255419), (476, 42431668), (952, 21215834), (1904, 10607917)]